I have a few lots of small parts that were meant to have been machined from grade 2 Ti. I have since learned that some amount of them are likely grade 5 (Ti6Al4V). They have already gone through part of the manufacturing process for 55 of them and they're too expensive to just throw out. Is there a simple, non-destructive (and clean, these are medical devices) method that can be used to determine if they are grade 2 or grade 5?
Any help would be greatly appreciated.
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